Hi guys,
thanks for the replies
Media is scoria, the tank is a 500 ltr sump is 150ltr chop2 we originally started with 30 silver perch all was going well then they decided a trip up the pipes was in order and we lost half, all part of learning. We then got 20 more but from another supplier and I think this is where I went wrong just as it got cold all the new bigger fish died very quickly the smaller ones held up well so this is when we brought them inside and added the salt.
Questions is the filtration of the media good enough or do I need to added something else into the system I know it never really cycled fully one because of the weather and the fish size but the plants are still thundering along. I also use a dedicated pool pump and clean new filter to remove excess waste from the main tank.
I have read that the disease cant handle high levels of salt the cells swell fish can handle short doses and have read that I can remove all the plants bring the salt in the system up to 10ppt run it for a while dump and refill. Was thinking this would be my best choice.
Any comments would be great Dave
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